Polished Sapphire Optical Window , Custom Shape Smart Watch Sapphire Crystal

Basic Information
Place of Origin: Guangdong, China (Mainland)
Brand Name: Tianzhili
Model Number: sapphire glass
Price: US $5.00
Detail Information
Type: Watches For Parts Material: Sapphire
Size: 1-200mm Surface Treatment: Polished
Service: OEM ODM Coating: AR,AF-Coating
High Light:

scratch proof watch glass


sapphire optical window

Product Description



Polished Sapphire Optical Window , Customized Shape Smart Watch Sapphire Crystal




Product Description



customized synthetic sapphire fiber laser protective glass window for watches
Sapphire optical windows are ideal for applications where high pressure, vacuum, or corrosive atmospheres are a consideration.Sapphire, a single crystal form of Al2O3, is resistant to attack by strong acids due to its high dielectric constant. It has high compressive strength and a high melting point. It is also resistant to UV radiation darkening.
Main Product Parameters
Product Name Tianke sapphire lens  
Material sapphire For other parameters, please consult
Coating witnout coating  
Surface quality 10/5-80/50  
Brade TIANKE  
Application OPTICAL  







Size tolerance


Edge Finish

   Ground and beveled

Surface Quality

   40-20 scratch-dig

Surface Flatness

λ/4 @ 633 nm


    ≤3 arc min (≤0.9 mrad)

Clear Aperture

  over 80% of central diameter

Hardness (Knoop)

1370 kg/mm2

Young's modulus

3.4 x 1011 N/m2

Thermal Limit

22 W m-1 K-1

Thermal expansion coefficient

8.4 x 10-6 K-1



Contact Details

Phone Number : +8617722965647

WhatsApp : +8618606222729